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Serialization is the process of converting one or more objects into a serial, stream-like format, often text. Deserialization is the reverse: restoring an object from its serialization.
Like the XML files described in the preceding chapter, serialization gives you a portable way to store data. You can serialize an object and send the serialization to another program, and then that program can deserialize the object.
You can also use serialization to allow a program to save and restore its state. For example, a drawing program might build a complicated data structure containing the objects the user drew. To save the drawing, the program could write the data structure’s serialization into a file. Later it could reload the serialization and display the objects.
The objects serialized can be relatively simple, such as a
Person object, or they can be complex data structures including objects that have references to other objects. For example, you could serialize a
CustomerOrder object that includes an array of
Order objects each containing a list of
For something ...